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ES2021715B3 - PROCESS OF PREPARATION OF FLUOROHETEROCICLICOS AND FLUOROAROMATIC COMPOUNDS. - Google Patents

PROCESS OF PREPARATION OF FLUOROHETEROCICLICOS AND FLUOROAROMATIC COMPOUNDS.

Info

Publication number
ES2021715B3
ES2021715B3 ES87306316T ES87306316T ES2021715B3 ES 2021715 B3 ES2021715 B3 ES 2021715B3 ES 87306316 T ES87306316 T ES 87306316T ES 87306316 T ES87306316 T ES 87306316T ES 2021715 B3 ES2021715 B3 ES 2021715B3
Authority
ES
Spain
Prior art keywords
preparation
fluoroheterociclicos
fluoroaromatic compounds
compounds
decomposition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES87306316T
Other languages
Spanish (es)
Other versions
ES2021715T5 (en
Inventor
Michael Scott Howarth
David Michael Tomkinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10602433&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2021715(B3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of ES2021715B3 publication Critical patent/ES2021715B3/en
Publication of ES2021715T5 publication Critical patent/ES2021715T5/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
    • C07C245/20—Diazonium compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/61—Halogen atoms or nitro radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B39/00—Halogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Steroid Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

LA PREPARACION DE COMPUESTOS DE FLUOROPIRIDINA Y DE FLUOROBENCENO POR LA DIAZOTACION DEL CORRESPONDIENTE COMPUESTO AMINO Y LA DESCOMPOSICION DEL NITRITO DE SODIO ASI FORMADO, ESTA CARACTERIZADO EN QUE LA DESCOMPOSICION SE REALIZA A UNA PRESION ATMOSFETICA SUPERIOR.THE PREPARATION OF FLUOROPYRIDINE AND FLUOROBENZENE COMPOUNDS BY THE DIAZOTATION OF THE CORRESPONDING AMINO COMPOUND AND THE DECOMPOSITION OF THE SODIUM NITRITE SO FORMED, IS CHARACTERIZED IN WHICH THE DECOMPOSITION IS PERFORMED AT A SUPERIOR ATMOSPHETIC PRESSURE.

ES87306316T 1986-08-08 1987-07-16 PROCEDURE FOR PREPARING FLUORAROMATIC COMPOUNDS. Expired - Lifetime ES2021715T5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868619375A GB8619375D0 (en) 1986-08-08 1986-08-08 Chemical process

Publications (2)

Publication Number Publication Date
ES2021715B3 true ES2021715B3 (en) 1991-11-16
ES2021715T5 ES2021715T5 (en) 1995-08-16

Family

ID=10602433

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87306316T Expired - Lifetime ES2021715T5 (en) 1986-08-08 1987-07-16 PROCEDURE FOR PREPARING FLUORAROMATIC COMPOUNDS.

Country Status (11)

Country Link
US (1) US4812572A (en)
EP (1) EP0258985B2 (en)
JP (1) JP2706454B2 (en)
KR (1) KR950014596B1 (en)
AT (1) ATE62658T1 (en)
DE (1) DE3769402D1 (en)
ES (1) ES2021715T5 (en)
GB (2) GB8619375D0 (en)
GR (1) GR3001792T3 (en)
HU (1) HU202808B (en)
IL (1) IL83321A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876387A (en) * 1989-02-27 1989-10-24 Occidental Chemical Corporation Process for preparing 2,4,5-trifluorobenzoic acid
GB8926430D0 (en) * 1989-11-22 1990-01-10 Ici Plc Process for the preparation of fluoroaromatic compounds
US5107046A (en) * 1990-05-23 1992-04-21 Mallinckrodt Specialty Chemicals Co., Inc. Process for preparing aromatic fluorides
FR2866023B1 (en) * 2004-02-05 2007-10-12 Rhodia Chimie Sa PROCESS FOR PREPARING A FLUOAROMATIC COMPOUND FROM AN AMINOAROMATIC COMPOUND
IN2015DN00714A (en) * 2012-07-18 2015-07-10 Basf Se

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798228A (en) * 1970-04-13 1974-03-19 Olin Corp Method for the preparation of difluoropyridines
GB1360327A (en) * 1972-11-13 1974-07-17 Daikin Ind Ltd Process for the nuclear fluorination of a compound having a benzene ring
JPS5314057B2 (en) * 1972-12-15 1978-05-15
US4075252A (en) * 1975-10-31 1978-02-21 Olin Corporation Diazotization-fluorination in a medium of hydrogen fluoride-containing ammonium ions
US4096196A (en) * 1975-10-31 1978-06-20 Olin Corporation Diazotization-fluorination in a medium of hydrogen fluoride containing tertiary amine compounds
GB1534841A (en) * 1976-07-23 1978-12-06 Olin Corp Preparation of fluorobenzenes and fluoropyridines
DE2652810C3 (en) * 1976-11-20 1979-05-10 Bayer Ag, 5090 Leverkusen Process for the preparation of aromatic fluorine compounds

Also Published As

Publication number Publication date
ATE62658T1 (en) 1991-05-15
ES2021715T5 (en) 1995-08-16
US4812572A (en) 1989-03-14
GB8716947D0 (en) 1987-08-26
IL83321A (en) 1992-06-21
GR3001792T3 (en) 1992-11-23
JP2706454B2 (en) 1998-01-28
EP0258985A1 (en) 1988-03-09
JPS6366132A (en) 1988-03-24
DE3769402D1 (en) 1991-05-23
KR880002803A (en) 1988-05-11
HUT47891A (en) 1989-04-28
KR950014596B1 (en) 1995-12-11
EP0258985B2 (en) 1994-01-12
HU202808B (en) 1991-04-29
EP0258985B1 (en) 1991-04-17
GB8619375D0 (en) 1986-09-17

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